Some ores occur in nature as mixtures of discrete mineral particles, such as gold in gravel beds and streams and diamonds in mines. These...

The D11 series is the largest bulldozers from Caterpillar, and ranks as the third largest bulldozer in the world. It has a displacement...

After starting an overhand stope the shape in which the back is carried is often of prime importance. Position A in the figure...

Apatite is the name of a group of phosphate minerals with similar chemical compositions and physical properties. They are an important...

Venetia diamond mine located 80km from Musina in Limpopo Province of South Africa ranks as the world’s sixth largest diamond mine....

This process is used for the concentration of particles that have sufficiently different colours (the best contrast being black and...

Ranked as the 4th largest bulldozer, the latest version of D475A-5SD uses KOMATSU's SAA12V140E-3 12-cylinder engine, with a fuel tank...

The figure below shows various methods of working the back in overhand stoping. To start the stope, if the ore is low grade and timber is...

Anhydrite is an evaporite mineral that occurs in extensive layered deposits in sedimentary basins where large volumes of sea water have...

Grib diamond mine is Russia’s fourth largest and world’s seventh largest diamond mine. The estimated diamond reserve of the mine exceeds...